p {
  width: 20px;
  height: 10px;
}
p {
  width: 200px;
  height: 200px;
}
div {
  transition: all 0.5s;
  background-color: yellow;
}
div:hover {
  transform: scale(0.5);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.5);
}
.main {
  border-color: red transparent transparent transparent transparent;
}
.reset {
  box-shadow: 1px 2px 10px red;
}
#z1 {
  width: 90%;
}
#z2 {
  height: 6100px;
}
#z3 {
  margin: 0;
  color: black;
  content: true;
  content: 454250;
}
#z5 {
  transform: scale(2deg) translate(200px);
}
